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Diet transcriptome

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https://www.readbyqxmd.com/read/28340555/rna-seq-transcriptomics-and-pathway-analyses-reveal-potential-regulatory-genes-and-molecular-mechanisms-in-high-and-low-residual-feed-intake-in-nordic-dairy-cattle
#1
M S Salleh, G Mazzoni, J K Höglund, D W Olijhoek, P Lund, P Løvendahl, H N Kadarmideen
BACKGROUND: The selective breeding of cattle with high-feed efficiencies (FE) is an important goal of beef and dairy cattle producers. Global gene expression patterns in relevant tissues can be used to study the functions of genes that are potentially involved in regulating FE. In the present study, high-throughput RNA sequencing data of liver biopsies from 19 dairy cows were used to identify differentially expressed genes (DEGs) between high- and low-FE groups of cows (based on Residual Feed Intake or RFI)...
March 24, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28331183/differential-expression-of-chemosensory-protein-genes-in-midguts-in-response-to-diet-of-spodoptera-litura
#2
Xin Yi, Jiangwei Qi, Xiaofan Zhou, Mei Ying Hu, Guo Hua Zhong
While it has been well characterized that chemosensory receptors in guts of mammals have great influence on food preference, much remains elusive in insects. Insect chemosensory proteins (CSPs) are soluble proteins that could deliver chemicals to olfactory and gustatory receptors. Recent studies have identified a number of CSPs expressed in midgut in Lepidoptera insects, which started to reveal their roles in chemical recognition and stimulating appetite in midgut. In this study, we examined expression patterns in midgut of 21 Spodoptera litura CSPs (SlitCSPs) characterized from a previously reported transcriptome, and three CSPs were identified to be expressed highly in midgut...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28323970/obesity-modulates-inflammation-and-lipid-metabolism-oocyte-gene-expression-a-single-cell-transcriptome-perspective
#3
Meghan L Ruebel, Matthew Cotter, Clark R Sims, Dean M Moutos, Thomas M Badger, Mario A Cleves, Kartik Shankar, Aline Andres
Context: It is hypothesized that obesity adversely affects the ovarian environment which can disrupt oocyte maturation and may further impact embryonic development. Objective: This study aimed to compare oocyte gene expression profiles and follicular fluid (FF) content from overweight/obese (OW) women and normal weight (NW) women who were undergoing fertility treatments. Design: Using single cell transcriptomic analyses, we investigated oocyte gene expression using RNA-seq...
March 15, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28300682/intestinal-transcriptome-modulation-by-functional-diets-in-rainbow-trout-a-high-throughput-sequencing-appraisal-to-highlight-galt-immunomodulation
#4
Ana Teresa Gonçalves, Valentina Valenzuela-Muñoz, Cristian Gallardo-Escárate
Functional ingredients such as pre- and probiotics are used in aquaculture to improve fish condition, modulating microbiota and promoting a healthy intestinal functioning. They also exert an active effect on the gut associated lymphoid tissue (GALT), stimulating the immune system. However, the molecular underpinnings of pre- and probiotics effect on intestinal mucosa are still unknown. This study investigated the intestinal mucosa transcriptome modulation when fish were fed functional diets and kept at different stocking densities...
March 12, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28299441/the-r2r3myb-vvmybpa1-from-grape-reprograms-the-phenylpropanoid-pathway-in-tobacco-flowers
#5
Valentina Passeri, Stefan Martens, Elisabete Carvalho, Chantal Bianchet, Francesco Damiani, Francesco Paolocci
This work shows that, in tobacco, the ectopic expression of VvMYBPA1 , a grape regulator of proanthocyanidin biosynthesis, up- or down-regulates different branches of the phenylproanoid pathway, in a structure-specific fashion. Proanthocyanidins are flavonoids of paramount importance for animal and human diet. Research interest increasingly tilts towards generating crops enriched with these health-promoting compounds. Flavonoids synthesis is regulated by the MBW transcriptional complex, made of R2R3MYB, bHLH and WD40 proteins, with the MYB components liable for channeling the complex towards specific branches of the pathway...
March 15, 2017: Planta
https://www.readbyqxmd.com/read/28295377/time-restricted-feeding-for-prevention-and-treatment-of-cardiometabolic-disorders
#6
Girish C Melkani, Satchidananda Panda
The soaring prevalence of obesity and diabetes is associated with an increase in comorbidities, including elevated risk for cardiovascular diseases (CVD). CVDs continue to be among the leading causes of death and disability in the United States. While increased nutrition intake from an energy dense diet is known to disrupt metabolic homeostasis and contributes to the disease risk, circadian rhythm disruption is emerging as a new risk factor for CVD. Circadian rhythms coordinate cardiovascular health via temporal control of organismal metabolism and physiology...
March 10, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28294281/mice-exposed-to-infant-formula-enriched-with-polyamines-impact-on-host-transcriptome-and-microbiome
#7
Carlos Gómez-Gallego, María García Romo, Rafael Frías, María Jesús Periago, Gaspar Ros, Seppo Salminen, Maria C Collado
Previous studies using a BALB/cOlaHsd model have shown the impact that the supplementation of infant formula with polyamines has on the modulation of microbial colonization and immune system development. To contribute to deciphering and identifying new complex interactions underlying the host response to polyamines, a systems biology approach integrating data from microbiota along the gastrointestinal tract, lymphocyte populations and immune system gene expression analysis of a lactating mice model fed different diets was carried out...
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28290485/complementary-transcriptomic-and-proteomic-analyses-reveal-regulatory-mechanisms-of-milk-protein-production-in-dairy-cows-consuming-different-forages
#8
Wenting Dai, Qiong Chen, Quanjuan Wang, Robin R White, Jianxin Liu, Hongyun Liu
Forage plays a critical role in the milk production of dairy cows; however, the mechanisms regulating bovine milk synthesis in dairy cows fed high forage rations with different basal forage types are not well-understood. In the study, rice straw (RS, low-quality) and alfalfa hay (AH, high-quality) diets were fed to lactating cows to explore how forage quality affected the molecular mechanisms regulating milk production using RNA-seq transcriptomic method with iTRAQ proteomic technique. A total of 554 transcripts (423 increased and 131 decreased) and 517 proteins (231 up-regulated and 286 down-regulated) were differentially expressed in the mammary glands of the two groups...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28283972/hepatic-transcriptomic-responses-in-mice-exposed-to-arsenic-and-different-fat-diet
#9
Hui Hou, Yue Yu, Zhuoyan Shen, Su Liu, Bing Wu
Chronic exposure to inorganic arsenic (iAs) or a high-fat diet (HFD) can produce liver injury. However, effects of HFD on risk assessment of iAs in drinking water are unclear. In this study, we examined how HFD and iAs interact to alter iAs-induced liver injury in C57BL/6 mice. Mice fed low-fat diet (LFD) or HFD were exposed to 3 mg/L iAs or deionized water for 10 weeks. Results showed that HFD changed intake and excretion of iAs by mice. Then, HFD increased the amount of iAs-induced hepatic DNA damage and amplified changes in pathways related to cell death and growth, signal transduction, lipid metabolism, and insulin signaling...
March 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28282965/hyper-and-hypo-nutrition-studies-of-the-hepatic-transcriptome-and-epigenome-suggest-that-ppar%C3%AE-regulates-anaerobic-glycolysis
#10
Anthony R Soltis, Shmulik Motola, Santiago Vernia, Christopher W Ng, Norman J Kennedy, Simona Dalin, Bryan J Matthews, Roger J Davis, Ernest Fraenkel
Diet plays a crucial role in shaping human health and disease. Diets promoting obesity and insulin resistance can lead to severe metabolic diseases, while calorie-restricted (CR) diets can improve health and extend lifespan. In this work, we fed mice either a chow diet (CD), a 16 week high-fat diet (HFD), or a CR diet to compare and contrast the effects of these diets on mouse liver biology. We collected transcriptomic and epigenomic datasets from these mice using RNA-Seq and DNase-Seq. We found that both CR and HFD induce extensive transcriptional changes, in some cases altering the same genes in the same direction...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28282876/hepatic-transcriptome-profiles-of-mice-with-diet-induced-nonalcoholic-steatohepatitis-treated-with-astaxanthin-and-vitamin-e
#11
Masuko Kobori, Yumiko Takahashi, Mutsumi Sakurai, Yinhua Ni, Guanliang Chen, Mayumi Nagashimada, Shuichi Kaneko, Tsuguhito Ota
Astaxanthin alleviates hepatic lipid accumulation and peroxidation, inflammation, and fibrosis in mice with high-cholesterol, high-cholate, and high-fat (CL) diet-induced nonalcoholic steatohepatitis (NASH) [...].
March 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28280005/kcne2-deletion-impairs-insulin-secretion-and-causes-type-2-diabetes-mellitus
#12
Soo Min Lee, Jasmine Baik, Dara Nguyen, Victoria Nguyen, Shiwei Liu, Zhaoyang Hu, Geoffrey W Abbott
Type 2 diabetes mellitus (T2DM) represents a rapidly increasing threat to global public health. T2DM arises largely from obesity, poor diet, and lack of exercise, but it also involves genetic predisposition. Here we report that the KCNE2 potassium channel transmembrane regulatory subunit is expressed in human and mouse pancreatic β cells. Kcne2 deletion in mice impaired glucose tolerance as early as 5 wk of age in pups fed a Western diet, ultimately causing diabetes. In adult mice fed normal chow, skeletal muscle expression of insulin receptor β and insulin receptor substrate 1 were down-regulated 2-fold by Kcne2 deletion, characteristic of T2DM...
March 9, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28267439/mechanisms-of-colitis-accelerated-colon-carcinogenesis-and-its-prevention-with-the-combination-of-aspirin-and-curcumin-transcriptomic-analysis-using-rna-seq
#13
Yue Guo, Zheng-Yuan Su, Chengyue Zhang, John M Gaspar, Rui Wang, Ronald P Hart, Michael P Verzi, Ah-Ng Tony Kong
Colorectal cancer (CRC) remains the leading cause of cancer-related death in the world. Aspirin (ASA) and curcumin (CUR) are widely investigated chemopreventive candidates for CRC. However, the precise mechanisms of their action and their combinatorial effects have not been evaluated. The purpose of the present study was to determine the effect of ASA, CUR, and their combination in azoxymethane/dextran sulfate sodium (AOM/DSS)-induced colitis-accelerated colorectal cancer (CAC). We also aimed to characterize the differential gene expression profiles in AOM/DSS-induced tumors as well as in tumors modulated by ASA and CUR using RNA-seq...
March 3, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28254621/nutrigenomics-and-immune-function-in-fish-new-insights-from-omics-technologies
#14
Samuel A M Martin, Elżbieta Król
The interplay between nutrition and immune system is well recognised, however the true integration of research between nutrition, animal energy status and immune function is still far from clear. In fish nutrition, especially for species maintained in aquaculture, formulated feeds are significantly different from the natural diet with recent changes in nutrient sources, especially with protein and oil sources now being predominated by terrestrial derived ingredients. Additionally, many feeds are now incorporated to health management and termed functional feeds, which are believed to improve fish health, reduce disease outbreaks and/or improve post-infection recovery...
February 28, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28254494/sodium-restriction-modulates-innate-immunity-and-prevents-cardiac-remodeling-in-a-rat-model-of-metabolic-syndrome
#15
Bernard Jover, Christelle Reynes, Caroline Rugale, Cyril Reboul, Laura Jeanson, Michel Tournier, Anne Dominique Lajoix, Caroline Desmetz
In the view of the relationships between excessive sodium intake, immunity and target organ damage, we hypothesized that reduction in dietary sodium would be beneficial in the prevention of cardiac alterations through a restrained local immunity response in a rat model of metabolic syndrome. Sprague-Dawley rats were fed a 60% fructose diet with either a normal sodium (0.64% NaCl) or a low sodium content (<0.01% NaCl) for 8weeks. After 4weeks, rats were infused or not with angiotensin II (200ng.kg(-1).min(-1), sc) for 4weeks...
February 27, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28251799/diet-affects-arctic-ground-squirrel-gut-microbial-metatranscriptome-independent-of-community-structure
#16
Jasmine J Hatton, Timothy J Stevenson, C Loren Buck, Khrystyne N Duddleston
We examined the effect of diet on pre-hibernation fattening and the gut microbiota of captive arctic ground squirrels (Urocitellus parryii). We measured body composition across time and gut microbiota density, diversity, and function prior to and after five-weeks on control, high-fat, low-fat (18%, 40%, and 10% energy from fat, respectively), or restricted calorie (50% of control) diets. Squirrels fattened at the same rate and to the same degree on all diets. Additionally, we found no differences in gut microbiota diversity or short chain fatty acid production across time or with diet...
March 2, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28249227/effects-of-food-borne-exposure-of-juvenile-rainbow-trout-oncorhynchus-mykiss-to-emerging-brominated-flame-retardants-1-2-bis-2-4-6-tribromophenoxy-ethane-and-2-ethylhexyl-2-3-4-5-tetrabromobenzoate
#17
Maeva Giraudo, Mélanie Douville, Robert J Letcher, Magali Houde
Brominated flame retardants (BFRs) represent a large group of chemicals used in a variety of household and commercial products to prevent fire propagation. The environmental persistence and toxicity of some of the most widely used BFRs has resulted in a progressive ban worldwide and the development of novel BFRs for which the knowledge on environmental health impacts remains limited. The objectives of this study were to evaluate the effects of two emerging BFRs, 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE) and 2-ethylhexyl-2,3,4,5-tetrabromobenzoate (EH-TBB), in diet exposed juvenile rainbow trout (Oncorhynchus mykiss)...
February 22, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28246035/functional-gene-profiling-through-metarnaseq-approach-reveals-diet-dependent-variation-in-rumen-microbiota-of-buffalo-bubalus-bubalis
#18
Ankit T Hinsu, Nidhi R Parmar, Neelam M Nathani, Ramesh J Pandit, Anand B Patel, Amrutlal K Patel, Chaitanya G Joshi
Recent advances in next generation sequencing technology have enabled analysis of complex microbial community from genome to transcriptome level. In the present study, metatranscriptomic approach was applied to elucidate functionally active bacteria and their biological processes in rumen of buffalo (Bubalus bubalis) adapted to different dietary treatments. Buffaloes were adapted to a diet containing 50:50, 75:25 and 100:0 forage to concentrate ratio, each for 6 weeks, before ruminal content sample collection...
February 27, 2017: Anaerobe
https://www.readbyqxmd.com/read/28245885/olive-oil-bioactive-compounds-increase-body-weight-and-improve-gut-health-and-integrity-in-gilthead-sea-bream-sparus-aurata
#19
Enric Gisbert, Karl B Andree, José C Quintela, Josep A Calduch-Giner, Ignacio R Ipharraguerre, Jaume Pérez-Sánchez
An olive oil bioactive extract (OBE) rich in bioactive compounds like polyphenols, triterpenic acids, long-chain fatty alcohols, unsaturated hydrocarbons, tocopherols and sterols was tested (0, 0·08, 0·17, 0·42 and 0·73 % OBE) in diets fed to sea bream (Sparus aurata) (initial weight: 5·4 (sd 1·2) g) during a 90-d trial (four replicates). Fish fed diets containing 0·17 and 0·42 % OBE were 5 % heavier (61·1 (sd 1·6) and 60·3 (sd 1·1) g, respectively) than those of the control group (57·0 (sd 0·7) g), although feed conversion ratio and specific feed intake did not vary...
March 1, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28239534/transcriptome-and-metabolome-analysis-of-liver-and-kidneys-of-rats-chronically-fed-nk603-roundup-tolerant-genetically-modified-maize
#20
Robin Mesnage, Matthew Arno, Gilles-Eric Séralini, Michael N Antoniou
BACKGROUND: A previous 2-year rat feeding trial assessing potential toxicity of NK603 Roundup-tolerant genetically modified maize revealed blood and urine biochemical changes indicative of liver and kidney pathology. In an effort to obtain deeper insight into these findings, molecular profiling of the liver and kidneys from the same animals was undertaken. RESULTS: Transcriptomics showed no segregation of NK603 maize and control feed groups with false discovery rates ranging from 43 to 83% at a cut-off p value of 1%...
2017: Environmental Sciences Europe
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